Finishing

Surface Finishes

Surface treatment options for appearance, wear, corrosion and handling requirements.

Single natural anodized aluminum CNC bracket with a uniform satin surface

Metal Surface Preparation Conversion and Oxidation Coating Plating Decorative Film Plastic Appearance

01 / Finish selection

Choose appearance and protection by material, function and environment.

Each photographed sample is mapped to its named treatment. Options without verified sample photography remain text-only instead of borrowing an incorrect image.

PREP

Metal Surface Preparation

Single bead blasted aluminum housing with a fine non-directional matte texture

FIN-BLAST-03 / Aluminum

Bead Blasting

Uniform matte surface preparation for aluminum and stainless steel components.

Materials: Aluminum / Stainless steel

Appearance: Fine matte satin

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Single polished stainless steel flange with a controlled high-gloss reflective surface

FIN-POL-04 / Metal

Polishing

Reflective polished metal appearance for visible surfaces and decorative parts.

Materials: Stainless steel / Aluminum / Brass

Appearance: Bright / mirror-like

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Single brushed stainless steel panel with a consistent linear directional grain

FIN-BRUSH-05 / Stainless steel

Brushing

Directional linear grain finish for panels, covers and visible metal faces.

Materials: Stainless steel / Aluminum

Appearance: Straight directional grain

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Tumbling - verified sample image required

OXIDE

Conversion and Oxidation

FIN-ANO-01 / Aluminum

Anodizing

Controlled oxide finish for aluminum parts with natural, black or colored appearance.

Materials: Aluminum 6061 / Aluminum 7075

Appearance: Matte / satin / colored

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Single hard anodized aluminum fixture with a dense dark gray low-gloss surface

FIN-HARD-02 / Aluminum

Hard Anodizing

Dense dark hardcoat anodizing for wear resistance on aluminum components.

Materials: Aluminum

Appearance: Dark gray / black-gray

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FIN-OX-11 / Steel

Black Oxide

Dark conversion finish for steel components, distinct from black anodized aluminum.

Materials: Steel

Appearance: Black steel finish

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Single passivated stainless steel fitting with a clean natural silver surface

FIN-PASS-12 / Stainless steel

Passivation

Natural corrosion-resistant stainless steel surface after passivation.

Materials: Stainless steel

Appearance: Natural stainless metal

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COAT

Coating

FIN-POW-06 / Sheet metal

Powder Coating

Durable coating for sheet metal enclosures, covers and industrial housings.

Materials: Sheet metal / Steel / Aluminum

Appearance: Matte / satin / gloss color

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Single painted plastic bezel with a smooth orange-red semi-matte surface

FIN-PAINT-07 / Molded plastic

Painting

Appearance painting for plastic or metal parts requiring a controlled color.

Materials: Plastic / Metal

Appearance: Matte / semi-gloss / gloss

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E-Coating - verified sample image required

PLATE

Plating

FIN-NI-08 / Steel or brass

Nickel Plating

Cool silver plated metal finish for corrosion resistance and appearance.

Materials: Steel / Brass / Copper

Appearance: Cool silver metallic

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Single chrome plated precision knob with bright controlled mirror reflections

FIN-CR-09 / Steel or brass

Chrome Plating

High-brightness chrome plating for reflective decorative metal surfaces.

Materials: Steel / Brass

Appearance: Bright mirror chrome

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Zinc Plating - verified sample image required

Gold Plating - verified sample image required

PVD

Decorative Film

Single titanium-gold PVD coated stainless steel mounting ring with a satin metallic surface

FIN-PVD-10 / Stainless steel

PVD

Decorative thin-film coating for gold, black or specialty metallic effects.

Materials: Stainless steel

Appearance: Gold / black / specialty color

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PLASTIC

Plastic Appearance

FIN-PAINT-07 / Molded plastic

Painting

Appearance painting for plastic or metal parts requiring a controlled color.

Materials: Plastic / Metal

Appearance: Matte / semi-gloss / gloss

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Texture - verified sample image required

Silk Screen - verified sample image required

Laser Marking - verified sample image required

02 / Finish comparison

Match the finish to material and application requirements.

Finish	Suitable materials	Appearance	Typical application
Anodizing	Aluminum 6061, Aluminum 7075	Matte / satin / colored	Controlled oxide finish for aluminum parts with natural, black or colored appearance.
Hard Anodizing	Aluminum	Dark gray / black-gray	Dense dark hardcoat anodizing for wear resistance on aluminum components.
Bead Blasting	Aluminum, Stainless steel	Fine matte satin	Uniform matte surface preparation for aluminum and stainless steel components.
Polishing	Stainless steel, Aluminum, Brass	Bright / mirror-like	Reflective polished metal appearance for visible surfaces and decorative parts.
Brushing	Stainless steel, Aluminum	Straight directional grain	Directional linear grain finish for panels, covers and visible metal faces.
Powder Coating	Sheet metal, Steel, Aluminum	Matte / satin / gloss color	Durable coating for sheet metal enclosures, covers and industrial housings.
Painting	Plastic, Metal	Matte / semi-gloss / gloss	Appearance painting for plastic or metal parts requiring a controlled color.
Nickel Plating	Steel, Brass, Copper	Cool silver metallic	Cool silver plated metal finish for corrosion resistance and appearance.
Chrome Plating	Steel, Brass	Bright mirror chrome	High-brightness chrome plating for reflective decorative metal surfaces.
PVD	Stainless steel	Gold / black / specialty color	Decorative thin-film coating for gold, black or specialty metallic effects.
Black Oxide	Steel	Black steel finish	Dark conversion finish for steel components, distinct from black anodized aluminum.
Passivation	Stainless steel	Natural stainless metal	Natural corrosion-resistant stainless steel surface after passivation.